Matlockite
氟氯铅矿
🗣️ 情景例句
Fabulous!
太精采了！
Our standardized packing has been approved by many foreign clients.
许多国外客户已经认可了我们标准化的包装。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。